Granted Patent
Utility
US 4,743,741 · App. 06/906,002
Electrically heated, glass vision unit
Inventor:
Kevin J. Ramus
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Sep 11, 1986
Inventor
Kevin J. Ramus
Assignee (at issue)
Ford Motor Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.